2004 GMC Safari idles very rough and cannot be driven.ECM has been replaced.

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I replaced the battery and started my GMC van, started right up, sounded good. I had a broken line on my brakes so I disconnected the battery and had the vehicle towed to the shop. When they reconnected the battery it was extremely difficult to start and barely ran at all. What happened?

RalphCast in East Brunswick NJ

Apr 30, 2017

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What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 2004 GMC Safari. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

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2004 GMC Safari idles very rough and cannot be driven.ECM has been replaced.

What is your question?

RalphCast in East Brunswick NJ

Apr 30, 2017

1 Reply

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A B Automotiveon Apr 30, 2017

My first question would be, why did you replace the ecm? If the shop that you have it at can not figure out the problem my certified technicians would be happy to diagnose it for you at a reasonable cost. Give us a call at 609-689-0688 and Charlotte will get you taken care of

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Popular Answer

What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 2004 GMC Safari. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.